Cryptology ePrint Archive: BibTeX Citation of Report 2013/644

@misc{cryptoeprint:2013:644,
    author = {Joppe W. Bos and Craig Costello and Andrea Miele},
    title = {Elliptic and Hyperelliptic Curves: a Practical Security Analysis},
    howpublished = {Cryptology ePrint Archive, Report 2013/644},
    year = {2013},
    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.