Add the (ACM) journal where this appeared. Fix URL.

share/man/man3/fast_divide32.3

@@ -1,4 +1,4 @@
-.\"	$NetBSD: fast_divide32.3,v 1.1 2010/03/19 20:11:22 joerg Exp $
+.\"	$NetBSD: fast_divide32.3,v 1.2 2010/03/20 10:26:06 jruoho Exp $
 .\"
 .\" Copyright (c) 2010 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -90,8 +90,12 @@ r = fast_remainder32(a, b, m, s1, s2);
 .%A Torbj\(:orn Granlund
 .%A Peter L. Montgomery
 .%T Division by Invariant Integers Using Multiplication
+.%J ACM SIGPLAN Notices
 .%D 1994
-.%U http://swox.se/~tg/divcnst-pldi94.pdf
+.%N Issue 6
+.%V Volume 29
+.%P pp. 61-72
+.%U http://gmplib.org/~tege/divcnst-pldi94.pdf
 .Re
 .Sh HISTORY
 The