Cryptology ePrint Archive: BibTeX Citation of Report 2015/631

@misc{cryptoeprint:2015:631,
    author = {Thomas P\"oppelmann and Michael Naehrig and Andrew Putnam and Adrian Macias},
    title = {Accelerating Homomorphic Evaluation on Reconfigurable Hardware},
    howpublished = {Cryptology ePrint Archive, Report 2015/631},
    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.