[Tangurena2]

This is probably the article you are looking for: https://www.developer.com/guides/how-we-learned-to-cheat-at-...

The timestamp was down to a fraction of a second, so instead of having 52! possible decks (about 2^226) there were only 2^32 possible decks that could be generated by the algorithm.

Also: https://blog.codinghorror.com/shuffling/