Cryptology ePrint Archive: BibTeX Citation of Report 2014/806

@misc{cryptoeprint:2014:806,
    author = {Steven D. Galbraith and Shishay W. Gebregiyorgis},
    title = {Summation polynomial algorithms for elliptic curves in characteristic two},
    howpublished = {Cryptology ePrint Archive, Report 2014/806},
    year = {2014},
    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.