Cryptology ePrint Archive: BibTeX Citation of Report 2008/265

@misc{cryptoeprint:2008:265,
    author = {Steven D. Galbraith and Michael Harrison and David J.  Mireles Morales},
    title = {Efficient Hyperelliptic Arithmetic using Balanced Representation for Divisors},
    howpublished = {Cryptology ePrint Archive, Report 2008/265},
    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.