Benny Applebaum Yuval Ishai Eyal Kushilevitz On Pseudorandom Generators with Linear Stretch in NC<sup>0</sup>. 260-271 2006 conf/approx/2006 APPROX-RANDOM http://dx.doi.org/10.1007/11830924_25 db/conf/approx/approx2006.html#ApplebaumIK06