@misc{cryptoeprint:2015:810, author = {Michele Ciampi and Giuseppe Persiano and Alessandra Scafuro and Luisa Siniscalchi and Ivan Visconti}, title = {Improved OR Composition of Sigma-Protocols}, howpublished = {Cryptology ePrint Archive, Report 2015/810}, year = {2015}, url = {https://eprint.iacr.org/2015/810}, }