Cryptology ePrint Archive: BibTeX Citation of Report 2015/1008

@misc{cryptoeprint:2015:1008,
    author = {Gaby G. Dagher and Benedikt Buenz and Joseph Bonneau and Jeremy Clark and Dan Boneh},
    title = {Provisions: Privacy-preserving proofs of solvency for Bitcoin exchanges},
    howpublished = {Cryptology ePrint Archive, Report 2015/1008},
    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.