Full title: Mathematics and Computation: A Theory Revolutionizing Technology and Science. Princeton University Press.
Author-hosted text, draft dated 6 August 2019: www.math.ias.edu/files/Book-online-Aug0619.pdf
Locators: Chapter 7, especially §7.3.2, Pseudo-random generators from hard problems; explains hardness versus randomness and seed enumeration. The IAS profile verifies the author and research field: www.ias.edu/scholars/wigderson .