Cryptology ePrint Archive: BibTeX Citation of Report 2015/777

@misc{cryptoeprint:2015:777,
    author = {Qinglan Zhao and Dong Zheng and Xiangxue Li and Xiaoli Dong},
    title = {Arithmetic Walsh Transform of Boolean Functions with Linear Structures},
    howpublished = {Cryptology ePrint Archive, Report 2015/777},
    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.