Cryptology ePrint Archive: BibTeX Citation of Report 2012/178

@misc{cryptoeprint:2012:178,
    author = {Aleksander Essex and Jeremy Clark and Urs Hengartner and Carlisle Adams},
    title = {Eperio: Mitigating Technical Complexity in Cryptographic Election Verification},
    howpublished = {Cryptology ePrint Archive, Report 2012/178},
    year = {2012},
    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.