0000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00fead1763debc90763535465d6cc619

Corrected 10/25/07: The given padding is incorrect. It should be

0001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00fead1763debc90763535465d6cc619

that is, (in hex) three 0's followed by a single 1, followed by f's, followed by the 128-bit quantity 00fead1763debc90763535465d6cc619.