Cryptology ePrint Archive: BibTeX Citation of Report 2015/127

@misc{cryptoeprint:2015:127,
    author = {Ricardo Dahab and Steven Galbraith and Eduardo Morais},
    title = {Adaptive key recovery attacks on NTRU-based somewhat homomorphic encryption schemes},
    howpublished = {Cryptology ePrint Archive, Report 2015/127},
    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.