Some guides how to make account and installing the game:
http://kotaku.com/5928484/cant-wait-for-phantasy-star-online-2-heres-how-to-play-the-japanese-version
http://bumped.org/psublog/phantasy-star-online-2-pre-open-beta-site-and-download-begins/
Here is link for the English translation patch: http://psumods.co.uk/viewtopic.php?f=4&t=206&sid=1eae97809d5b3d3e826a638efa04a16d