Cryptology ePrint Archive: BibTeX Citation of Report 2008/491

@misc{cryptoeprint:2008:491,
    author = {Laura Hitt O'Connor and Gary McGuire and Michael Naehrig and Marco Streng},
    title = {A CM construction for curves of genus 2 with p-rank 1},
    howpublished = {Cryptology ePrint Archive, Report 2008/491},
    year = {2008},
    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.