@misc{cryptoeprint:2016:103,
    author = {Nicolas Courtois and Guangyan Song and Ryan Castellucci},
    title = {Speed Optimizations in Bitcoin Key Recovery Attacks},
    howpublished = {Cryptology ePrint Archive, Report 2016/103},
    year = {2016},
    url = {https://eprint.iacr.org/2016/103},
}