@misc{cryptoeprint:2019:133,
    author = {Vasyl Ustimenko},
    title = {On semigroups of multiplicative Cremona transformations and  new solutions of Post Quantum Cryptography.},
    howpublished = {Cryptology ePrint Archive, Report 2019/133},
    year = {2019},
    url = {https://eprint.iacr.org/2019/133},
}