Cryptology ePrint Archive: BibTeX Citation of Report 2015/039

@misc{cryptoeprint:2015:039,
    author = {Véronique Cortier and Fabienne Eigner and Steve Kremer and Matteo Maffei and Cyrille Wiedling},
    title = {Type-Based Verification of Electronic Voting Protocols},
    howpublished = {Cryptology ePrint Archive, Report 2015/039},
    year = {2015},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.