@misc{cryptoeprint:2020:834,
    author = {Eunsang Lee and Joon-Woo Lee and Jong-Seon No and Young-Sik Kim},
    title = {Minimax Approximation of Sign Function by Composite Polynomial for Homomorphic Comparison},
    howpublished = {Cryptology ePrint Archive, Report 2020/834},
    year = {2020},
    url = {https://eprint.iacr.org/2020/834},
}