Cryptology ePrint Archive: BibTeX Citation of Report 2014/424

@misc{cryptoeprint:2014:424,
    author = {Craig Costello and Alyson Deines-Schartz and Kristin Lauter and Tonghai Yang},
    title = {Constructing Abelian Surfaces for Cryptography via Rosenhain Invariants},
    howpublished = {Cryptology ePrint Archive, Report 2014/424},
    year = {2014},
    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.