I've seen this around Facebook a couple times, I've done it once before, but I've decided to do it again for the fun of it =)
1 - Go to Wikipedia - English and hit Random Article. The first random article you get is the name of your band.
2 - Go to quotationspage.com and hit Random. The last four or five words of the very last quote of the page is the title of your first album.
3 - Go to deviantart.com and click on the third Daily Deviation at the bottom of the page. Third picture, no matter what it is, will be your album cover.
4 - Use Photoshop or similar to put it all together.
This is the album cover I made previously: