There is a Facebook application called fb2twitter that will automate the process. The application is not fool-proof but it commands a pretty decent user feedback rating. Read up on the user comments if you have any issues.
On the bottom right-hand side you will see Subscribe to these Stories:
You want to save the address under My Status. That’s the RSS feed information we are going to give to TwitterFeed. So right click on My Status and copy the URL or click My Status and save the URL address from your browser.