@misc{cryptoeprint:2019:255, author = {Shuichi Katsumata and Ryo Nishimaki and Shota Yamada and Takashi Yamakawa}, title = {Designated Verifier/Prover and Preprocessing NIZKs from Diffie-Hellman Assumptions}, howpublished = {Cryptology ePrint Archive, Report 2019/255}, year = {2019}, url = {https://eprint.iacr.org/2019/255}, }