Cryptology ePrint Archive: BibTeX Citation of Report 2013/740

@misc{cryptoeprint:2013:740,
    author = {Gérald Gavin},
    title = {An efficient FHE proposal based on the hardness of solving systems of nonlinear multivariate equations (II)},
    howpublished = {Cryptology ePrint Archive, Report 2013/740},
    year = {2013},
    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.