1. A method comprising: receiving, by a selector, a plurality of pseudo-random numbers (PRNs) including a first pseudo-random number (PRN), a second PRN, and a third PRN; selecting, from the plurality of PRNs, a selected PRN, based at least in part upon the first PRN; and outputting the selected PRN; wherein: the plurality of PRNs are generated by a corresponding plurality of pseudorandom number generators (PRNGs) respectively including a first PRNG, a second PRNG, and a third PRNG; and a PRNG of the plurality of PRNGs is provided with a different seed each time a random number is generated by the respective PRNG.