Matthias Fitzi Juan A. Garay Shyamnath Gollakota C. Pandu Rangan K. Srinathan Round-Optimal and Efficient Verifiable Secret Sharing. 329-342 2006 conf/tcc/2006 TCC http://dx.doi.org/10.1007/11681878_17 db/conf/tcc/tcc2006.html#FitziGGRS06