This cheat sheet shows you how to create a query from bugs.eclipse.org.
If the Task List view is not opened, select in the main menu Window > Show View > Other... > Tasks >Task List or click on the "Click to Perform" link below. In this step you can learn how to setup your Bugzilla account, but you can skip it.

If the Task Repositories view is not opened, select in the main menu Window > Show View > Other... > Tasks > Task Repository.

In the Task Repositories view you can see Eclipse.org. Right click on it and select Properties.
Check out the Anonymous Access checkbox.
Enter your user id for the User ID and password for the Password.
Click on the Validate Settings button to check your given parameters.
If you do not have an account you can create one by clicking on the Create new accout link.
Click on the Finish button to save the values and close the dialog. In the Task List view, click the right mouse button then select New > Query or click on the "Click to Perform" link below. Select Eclipse.org then click on the Next button.
Select Create a query using form then click on the Next button.
Enter Mylyn Bugs for the query's title. Select Mylyn from the Product and P1, P2 from the Priority then click the Finish button.