Cryptology ePrint Archive: BibTeX Citation of Report 2015/775

@misc{cryptoeprint:2015:775,
    author = {S. M. Dehnavi and M. R. Mirzaee Shamsabad and A. Mahmoodi Rishakani and Y. Fekri Dabanloo},
    title = {Efficient MDS Diffusion Layers Through Decomposition of Matrices},
    howpublished = {Cryptology ePrint Archive, Report 2015/775},
    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.