The next step is to submit the binary file (IPA File) and use the following procedure.
Step 1
In your browser type https://itunesconnect.apple.com/ and login using your iPhone developer account.
Step 2
Click on "Manage Your Account" > "Add Application".
Step 3
To submit your application to the app store. You also need a few things in your system before you submit your application.
a) Application Name (must be unique)
b) Application description
c) Application Category
d) URL for your application feedback.
e) Icon of your application in 512 x 512 size.
f) The main picture of your application in 320 x 480 or 320 x 460 size. (You have the option to submit up to 4 more pictures of your application).
Step 4
Once you save all the info you entered, your new app will change its state to "Waiting For Upload"
Step 5
Now go to "Manage Your Applications" on the bottom of the page; there's the link "Download Application Loader" for the latest available version.
Step 6
Start the Application loader and provide your iTunes credentials, you'll see a list of all your apps that are waiting for an upload of a binary.
The Application loader will ask you a couple of questions, like "Is your binary tested with iOS4″ and after the file is actually sent to iTunes connect and you're done..