Cryptology ePrint Archive: BibTeX Citation of Report 2014/725

@misc{cryptoeprint:2014:725,
    author = {Ruan de Clercq, Sujoy Sinha Roy, Frederik Vercauteren, Ingrid Verbauwhede},
    title = {Efficient Software Implementation of Ring-LWE Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2014/725},
    year = {2014},
    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.