@misc{cryptoeprint:2015:636,
    author = {Matthias Hamann and Matthias Krause},
    title = {On Stream Ciphers with Provable Beyond-the-Birthday-Bound Security against Time-Memory-Data Tradeoff Attacks},
    howpublished = {Cryptology ePrint Archive, Report 2015/636},
    year = {2015},
    url = {https://eprint.iacr.org/2015/636},
}