Cryptology ePrint Archive: BibTeX Citation of Report 2015/763

@misc{cryptoeprint:2015:763,
    author = {Rei Ueno, Naofumi Homma, Yukihiro Sugawara, Yasuyuki Nogami, and Takafumi Aoki},
    title = {Highly Efficient GF(2^8) Inversion Circuit Based on Redundant GF Arithmetic and Its Application to AES Design},
    howpublished = {Cryptology ePrint Archive, Report 2015/763},
    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.