To get that e-way bills assigned to you as a transporter, here you can send the request for getting e-way bills over here.
You can select multiple states and also select Generated from and to date. Maximum period is allowed for getting EWB is 7 days. So enter details as per your requirement and click on Submit.
In request history, you can see the status of your request. Once request is completed, you can view EWB in view EWB tab.