Cryptology ePrint Archive: BibTeX Citation of Report 2009/243

@misc{cryptoeprint:2009:243,
    author = {Craig Costello and Huseyin Hisil and Colin Boyd and Juan Manuel Gonzalez Nieto and Kenneth Koon-Ho Wong},
    title = {Faster Pairings on Special Weierstrass Curves},
    howpublished = {Cryptology ePrint Archive, Report 2009/243},
    year = {2009},
    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.