Cryptology ePrint Archive: BibTeX Citation of Report 2015/155

@misc{cryptoeprint:2015:155,
    author = {Loi Luu and Ratul Saha and Inian Parameshwaran and Prateek Saxena and Aquinas Hobor},
    title = {On Power Splitting Games in Distributed Computation: The Case of Bitcoin Pooled Mining},
    howpublished = {Cryptology ePrint Archive, Report 2015/155},
    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.