https://bbs.pinggu.org/thread-1200341-1-1.html
http://jingyan.baidu.com/article/4665065803a026f549e5f8e9.html
希望对你有用

多谢多谢，非常感谢您，第一链接，我看到了，但是随机产生出来的有负数，且不是整数。
第二个，也存在这类问题。均值无法控制标准差。

Most likely Stata can not do it in the way you want. (any other software can do it?).

There was a similar question in Statalist last year followed by excellent discussions.

Here is the link (check all those references and follow-ups, very interesting):

http://www.stata.com/statalist/archive/2013-03/msg00644.html

Good luck