Cryptology ePrint Archive: BibTeX Citation of Report 2015/492

@misc{cryptoeprint:2015:492,
    author = {Vincent Grosso and François-Xavier Standaert and Sebastian Faust},
    title = {Masking vs. Multiparty Computation: How Large is the Gap for AES?},
    howpublished = {Cryptology ePrint Archive, Report 2015/492},
    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.