Cryptology ePrint Archive: BibTeX Citation of Report 2015/688

@misc{cryptoeprint:2015:688,
    author = {Hwajeong Seo and Zhe Liu and Yasuyuki Nogami and Jongseok Choi and Howon Kim },
    title = {Binary Field Multiplication on ARMv8},
    howpublished = {Cryptology ePrint Archive, Report 2015/688},
    year = {2015},
    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.