@misc{cryptoeprint:2015:967,
    author = {Marc Stevens and Pierre Karpman and Thomas Peyrin},
    title = {Freestart collision for full SHA-1},
    howpublished = {Cryptology ePrint Archive, Report 2015/967},
    year = {2015},
    url = {https://eprint.iacr.org/2015/967},
}