Cryptology ePrint Archive: BibTeX Citation of Report 2015/692

@misc{cryptoeprint:2015:692,
    author = {Yoshinori Aono  and Takuya Hayashi and Le Trieu Phong and Lihua Wang},
    title = {Fast and Secure Linear Regression and Biometric Authentication with Security Update},
    howpublished = {Cryptology ePrint Archive, Report 2015/692},
    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.