1. Go to autohotkey.com, download the program (the orange button) and install it.
2. Download the file ASETNIOP.ahk and save it somewhere easily accessible.
4. Voila! You can enter text with the ASETNIOP layout using either the ASDF-JKL; home keys, or the QWER-UIOP top row. All of the bottom row keys are active as SHIFT keys.