The Secretary of State has an online voter registration form which you can you use to register to vote. You will receive the filled out form in the mail. Simply verify the information is correct, then sign and mail back the form.
TIP: Consider filing for absentee status. Absentee Ballots come a month in advance of any election and allow you to get caught up on the various issues up for a vote. You can learn about the issues and vote in the comfort of your own home avoiding lines at the polls.