Cryptology ePrint Archive: BibTeX Citation of Report 2008/334

@misc{cryptoeprint:2008:334,
    author = {Darrel Hankerson and Koray Karabina and Alfred Menezes},
    title = {Analyzing the Galbraith-Lin-Scott Point Multiplication Method for Elliptic Curves over Binary Fields},
    howpublished = {Cryptology ePrint Archive, Report 2008/334},
    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.