Modeling and observing the jitter in ring oscillators implemented in FPGAs. - Boyan Valtchanov; Alain Aubert; Florent Bernard; Viktor Fischer (DDECS, 2008)

Characterization of randomness sources in ring oscillator-based true random number generators in FPGAs. - Boyan Valtchanov; Viktor Fischer; Alain Aubert; Florent Bernard (DDECS, 2010)

True-Randomness and Pseudo-Randomness in Ring Oscillator-Based True Random Number Generators. - Nathalie Bochard; Florent Bernard; Viktor Fischer; Boyan Valtchanov (Int. J. Reconfigurable Comput., 2010)

Générateurs de suites binaires vraiment aléatoires : modélisation et implantation dans des cibles FPGA. (True random numbers generators : modelisation and implementation in FPGA). - Boyan Valtchanov (2010)