How technology is used in relation to paper voter lists?

According to the electoral law, the voter register is manual. It contains the details of the voters, specifically the person’s name, birthplace, the election post, registration number, and signature or fingerprint. At the end of registration, the voter register shall be closed, signed, and stamped by relevant election officials; The voter register shall be available for public inspection.

http://www.constitutionnet.org/files/Eritrea%20Election%20Laws.pdf

There is however little information on the verification process, even though the Electoral Law establishes an electoral system, the elections scheduled for December 2001 have been postponed indefinitely. There has never been an election since the young nation got its independence in 1993. Local elections have however been taking place. The locals select representatives from the country's six regions for the National Assembly. Elections also occur to elect representatives for the country's regional assemblies and other posts within the country's districts. All voting for local public office has been conducted in town meeting-style sessions presided over by PFDJ cadres. PFDJ stands for People’s Front for Democracy and Justice, the ruling party in Eritrea. 

http://aceproject.org/regions-en/countries-and-territories/ER/CDCountry?country=ER