Cryptology ePrint Archive: BibTeX Citation of Report 2015/749

@misc{cryptoeprint:2015:749,
    author = {Pascal Sasdrich and Amir Moradi and Tim Güneysu},
    title = {Affine Equivalence and its Application to Tightening Threshold Implementations},
    howpublished = {Cryptology ePrint Archive, Report 2015/749},
    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.