Cryptology ePrint Archive: BibTeX Citation of Report 2015/742

@misc{cryptoeprint:2015:742,
    author = {Can K{\i}z{\i}lkale and \"{O}mer E\v{g}ecio\v{g}lu and \c{C}etin Kaya Ko\c{c}},
    title = {A Matrix Decomposition Method for Optimal Normal Basis Multiplication},
    howpublished = {Cryptology ePrint Archive, Report 2015/742},
    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.